From bd44c9eaef1f4dcbbd98d4489885566b6c7e5138 Mon Sep 17 00:00:00 2001
From: Nagi5Yeq <wu@x-nagi.com>
Date: Sun, 31 May 2020 04:03:00 +0800
Subject: support for type alias

---
 VariableList.hh | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'VariableList.hh')

diff --git a/VariableList.hh b/VariableList.hh
index cf622ee..ec41b0c 100644
--- a/VariableList.hh
+++ b/VariableList.hh
@@ -8,19 +8,26 @@
 #include "Type.hh"
 
 namespace pcc {
+class TypeIdentifier;
+
 // type and value
 using Variable = std::pair<std::shared_ptr<Type>, Value>;
 // name and type
-using Declaration = std::pair<std::string, std::shared_ptr<Type>>;
+using Declaration = std::pair<std::string, std::shared_ptr<TypeIdentifier>>;
 
 class VariableList {
   public:
     VariableList(VariableList* parent = nullptr);
-    Variable Find(const std::string& name);
-    void Add(std::string name, Variable variable);
+    Variable FindVariable(const std::string& name);
+    void AddVariable(const std::string& name, Variable variable);
+
+    // stores type alias, just because we wan't create another TypeAliasList
+    std::shared_ptr<Type> FindTypeAlias(const std::string& name);
+    void AddTypeAlias(const std::string& name, std::shared_ptr<Type> type);
 
   protected:
     std::unordered_map<std::string, Variable> variables_;
+    std::unordered_map<std::string, std::shared_ptr<Type>> TypeAlias_;
     VariableList* parent_;
 };
 } // namespace pcc
-- 
cgit